Example usage for java.lang String toCharArray

Introduction

In this page you can find the example usage for java.lang String toCharArray.

Prototype

public char[] toCharArray()

Source Link

Document

Converts this string to a new character array.

Usage

From source file:Main.java

public static boolean isWholePositiveNumber(String value) {
    if (value == null) {
        return false;
    }//from w  w  w  . j  a va2 s .c  om
    for (char c : value.toCharArray()) {
        if (!Character.isDigit(c)) {
            return false;
        }
    }
    return true;
}

From source file:Main.java

public static String revers(String num) {
    num = num.toUpperCase();//from   w ww  .jav a2s  .com
    char array[] = num.toCharArray();
    for (int i = 0; i < array.length; i++) {
        if (array[i] == 'A')
            array[i] = reverseToChar(15 - 10);
        else if (array[i] == 'B')
            array[i] = reverseToChar(15 - 11);
        else if (array[i] == 'C')
            array[i] = reverseToChar(15 - 12);
        else if (array[i] == 'D')
            array[i] = reverseToChar(15 - 13);
        else if (array[i] == 'E')
            array[i] = reverseToChar(15 - 14);
        else if (array[i] == 'F')
            array[i] = reverseToChar(15 - 15);
        else
            array[i] = reverseToChar(15 - Integer.parseInt(String.valueOf(array[i])));
    }
    //
    return String.valueOf(array);
}

From source file:Main.java

public static int getStringLen(String SrcStr) {
    int return_value = 0;
    if (SrcStr != null) {
        char[] theChars = SrcStr.toCharArray();
        for (int i = 0; i < theChars.length; i++) {
            return_value += (theChars[i] <= 255) ? 1 : 2;
        }/*from   w  w w.  ja  v a  2  s.  c  o m*/
    }
    return return_value;
}

From source file:Main.java

/**
 * Create document from given string content.
 * @param data   content of xml document
 * @return//from  w  ww . j ava 2  s  .  co  m
 * @throws IllegalArgumentException
 */
public static Document createDocument(String data) throws IllegalArgumentException {
    return createDocument(data.toCharArray());
}

From source file:Main.java

public static String removeGreaterLessThan5(String numStr, boolean which) {
    StringBuilder builder = new StringBuilder();
    for (char c : numStr.toCharArray()) {
        if (isGreaterThan5(c) ^ which) {
            builder.append(c);/* ww w  . j a v  a2s  .  c om*/
        }
    }
    return builder.toString();
}

From source file:Main.java

public static String removeDigit(String numStr, boolean which) {
    StringBuilder builder = new StringBuilder();
    for (char c : numStr.toCharArray()) {
        if (isOddDigit(c) ^ which) {
            builder.append(c);/*  w w  w  .  j  a  v a 2s  . c o  m*/
        }
    }
    return builder.toString();
}

From source file:Main.java

public static String getRandom(String source, int length) {
    return TextUtils.isEmpty(source) ? null : getRandom(source.toCharArray(), length);
}

From source file:Main.java

/**
 * Symmetric algorithm used for ciphering/deciphering.
 *
 * @param message message//from   w  w  w.  ja v a2 s  .c  o m
 * @param salt    salt
 * @return ciphered/deciphered message
 */
@NonNull
public static String x(@NonNull String message, @NonNull String salt) {
    final char[] m = message.toCharArray();
    final char[] s = salt.toCharArray();

    final int ml = m.length;
    final int sl = s.length;
    final char[] result = new char[ml];

    for (int i = 0; i < ml; i++) {
        result[i] = (char) (m[i] ^ s[i % sl]);
    }
    return new String(result);
}

From source file:Main.java

/**
 * Changes extend ASCII and non ASCII into HTML encoded ascii string.
 * @param notAscii the string to change/*from  www  .  j a  v  a 2  s. com*/
 * @return  the converted string
 */
public static String toExtendedAscii(String notAscii) {

    StringBuilder builder = new StringBuilder();
    char[] charArray = notAscii.toCharArray();
    for (int i = 0; i < charArray.length; ++i) {
        char a = charArray[i];
        if ((int) a > 127) {
            builder.append("&#" + (int) a + ";");
        } else {
            builder.append(a);
        }
    }
    return builder.toString();
}

From source file:Main.java

/**
 * encode Unicode string//from   ww  w.ja va  2s .c o  m
 *
 * @param s s
 * @return string
 */
public static String encodeUnicodeStr(String s) {
    StringBuilder sb = new StringBuilder(s.length() * 3);
    for (char c : s.toCharArray()) {
        if (c < 256) {
            sb.append(c);
        } else {
            sb.append("\\u");
            sb.append(Character.forDigit((c >>> 12) & 0xf, 16));
            sb.append(Character.forDigit((c >>> 8) & 0xf, 16));
            sb.append(Character.forDigit((c >>> 4) & 0xf, 16));
            sb.append(Character.forDigit((c) & 0xf, 16));
        }
    }
    return sb.toString();
}